What Else You Should Know
Learn about parentheses, DOM Element API, inline styles, and comments in JSX.
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Parentheses
Depending on your level of JavaScript knowledge, you may have noticed a few details. In some examples discussed previously, parentheses appear in seemingly odd places. The parentheses, ( and ), need to be wrapped around any JSX which spans more than one line — not quite so random anymore.
You can usually just put your JSX in parentheses without a problem. Many people actually prefer this practice as all JSX is uniformly treated the same way, but only multi-line JSX actually requires parentheses.
If an expression instead of a ...